Tag / FSMO Roles

  • So you just want to add a new user to your active directory or you are just trying to login and all of sudden you get of the following error message: Windows cannot verify that the user name is unique because the following error occured while contacting the global catalog This issue occurs when you […]

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  • So you have a primary domain controller that is no longer active, that was deleted but never removed from your active directory schema, or worse your PDC has crashed :( Since Microsoft windows 2000 when FMSO (Flexible Singer Master Operation) roles were first introduced they are controlled by one server with replicas that exist in other servers […]

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  • In Microsoft Windows Server 2000, Microsoft has introduced the FSMO (Flexible Single Master Operation) roles.   So what are FMSO exactly? To prevent conflicting updates in the Windows Active Directory the system performs updates to certain objects in a single-master fashion. In a single-master model, only one DC in the entire directory is allowed to process updates. This is similar to […]

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